MicroEnvironment Manager™

SPAN Topper

The Topper is the first completely reusable powered air coverlet for managing excess heat and moisture in the microenvironment. Powered by proprietary Air Diffusion Matrix™ technology, it delivers superior moisture vapor removal, helping to protect vulnerable skin.

  • Patented design ensures open pathway for moisture vapor transport, even at the sacrum
  • Superior capacity for heat removal, resulting from evaporative cooling
  • Easy cleaning: fluid-resistant, anti-fungal, and bacteriostatically treated



Reduces Heat and Moisture

Helps reduce heat, moisture, pressure, shear and odor in the microenvironment

Treatment Flexibility

Simple, add-on solution allows instant addition of microclimate management to most support surfaces


No need for expensive disposable components

Helps keep vulnerable skin cool, dry and comfortable

The system provides a gentle flow of air directly to the underside of its highly vapor permeable top layer, carrying away excess moisture vapor to help protect vulnerable skin. When evaluated in an environmentally controlled, certified test lab using the most current standardized testing for moisture vapor removal, The Topper outperformed a wide variety of products including typical low-air-loss surfaces and powered covers.

Low profile allows effective performance without the safety compromises inherent in traditional low air loss overlay products.  Interaction of inner air layer and top layer help offset the effects of shearing and friction.

The Topper is fluid resistant, anti-fungal, and bacteriostatically treated.  It is designed to be easily wiped clean and disinfected in place using standard hospital-grade solutions.  Alternatively, the top layer can be unzipped and machine washed, and the inner air delivery layer can be accessed for wipe-down cleaning and disinfecting if desired.

A cost-effective alternative to expensive therapy surface rentals.

Easy on Easy off

  • An easy on/off upgrade to any pressure redistributing support surface
  • Fitted corners and bottom strap help secure the Topper to the mattress below
  • Does not require use of expensive disposable components
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Superior Moisture and Heat Removal

  • Documented superiority in microenvironment moisture removal
  • Superior capacity for heat removal, resulting from evaporative cooling
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Air Diffusion Matrix Fabric

  • Proprietary design creates an uninterrupted stream of air beneath the patient/support surface interface
  • Function does not rely on absorbent materials/layers
Air Diffusion Matrix

Quiet Powerful Air Flow

  • Compact, quiet control unit
  • Provides gentle, uninterrupted airflow for maximum control of humidity at the patient/support surface interface
  • Hangs easily at footboard
  • Indicator light
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Product Details

Downloadable Content

Surface Selection Algorithm
Surface Selection Algorithm
The Topper
The Topper

The Topper is indicated for use in combination with a pressure redistributing surface to aid in the prevention and treatment of skin breakdown and pressure ulcers through Stage IV by reducing excess heat and moisture within the microclimate, especially in patients who are obese, febrile and/or diaphoretic due to infection, antibiotics and/or analgesics.



24-month non-prorated (all components)

System includes

Air cover, powered control unit,  carry bag

Available lengths

80” and 84”

Available widths

36”, 42”  and 48


IEC 60601-1-11

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